v2.1.7.3 declaration

git-svn-id: https://plugins.svn.wordpress.org/bluet-keywords-tooltip-generator/trunk@1033367 b8457f37-d9ea-0310-8a92-e5e31aec5664
v2.1.7.3

git-svn-id: https://plugins.svn.wordpress.org/bluet-keywords-tooltip-generator/trunk@1033373 b8457f37-d9ea-0310-8a92-e5e31aec5664